Do increased levels of progesterone and progesterone/estradiol ratio on the day of human chorionic gonadotropin affects pregnancy outcome in long agonist protocol in fresh in vitro fertilization/intracytoplasmic sperm injection cycles? - Singh, Neeta; Kaur, Simran Deep; Malik, Nisha; Malhotra, Neena; Vanamail, P. (Journal of Human Reproductive Sciences, 2015)